Java Program - Alamgir Sir

Class:

public class HostCarry{

     public static void main(String []args){
        System.out.println("Hello World!");
     }
}

---

If statement:

public class HostCarry{

     public static void main(String []args){
         int a = 10;
         if(a>=10)
         {
             System.out.println("a: " + a);
         }

     }
}

---

If, else statement:

public class HostCarry{

     public static void main(String []args){
         int a = 10;
         if(a>=12)
         {
             System.out.println("a: " + a);
         }
         else
         {
             System.out.println("No Data");
         }

     }
}

---

else if statement:

import java.util.*;
public class HostCarry{

     public static void main(String []args){
         int age;
         System.out.println("Enter value of age: ");
         Scanner input = new Scanner(System.in);
         age = input.nextInt();
         if (age<=0)
         {
             System.out.println("You have not borned yet");
         }
         else if (age>0 && age<=12)
         {
             System.out.println("You are a child");
         }
         else if (age>12 && age<=19)
         {
             System.out.println("You are a teen ager");
         }
         else if (age>19 && age<=40)
         {
             System.out.println("You are young");
         }
         else
         {
             System.out.println("Wise your long life");
         }

     }
}